EP2573861B1 - Élément de refroidissement présentant une structure innovante, et module de batteries le comprenant - Google Patents

Élément de refroidissement présentant une structure innovante, et module de batteries le comprenant Download PDF

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Publication number
EP2573861B1
EP2573861B1 EP11783713.8A EP11783713A EP2573861B1 EP 2573861 B1 EP2573861 B1 EP 2573861B1 EP 11783713 A EP11783713 A EP 11783713A EP 2573861 B1 EP2573861 B1 EP 2573861B1
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EP
European Patent Office
Prior art keywords
battery
coolant
battery cells
battery module
coolant conduit
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP11783713.8A
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German (de)
English (en)
Other versions
EP2573861A4 (fr
EP2573861A2 (fr
Inventor
Jae Hun Yang
Jong Moon Yoon
Dal Mo Kang
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LG Chem Ltd
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LG Chem Ltd
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Filing date
Publication date
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Publication of EP2573861A2 publication Critical patent/EP2573861A2/fr
Publication of EP2573861A4 publication Critical patent/EP2573861A4/fr
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Publication of EP2573861B1 publication Critical patent/EP2573861B1/fr
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L50/00—Electric propulsion with power supplied within the vehicle
    • B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
    • B60L50/60—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries
    • B60L50/64—Constructional details of batteries specially adapted for electric vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
    • B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
    • B60L58/24—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries
    • B60L58/26—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries by cooling
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/61—Types of temperature control
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/61—Types of temperature control
    • H01M10/613—Cooling or keeping cold
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/61—Types of temperature control
    • H01M10/617—Types of temperature control for achieving uniformity or desired distribution of temperature
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/64—Heating or cooling; Temperature control characterised by the shape of the cells
    • H01M10/647—Prismatic or flat cells, e.g. pouch cells
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/655—Solid structures for heat exchange or heat conduction
    • H01M10/6551—Surfaces specially adapted for heat dissipation or radiation, e.g. fins or coatings
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/655—Solid structures for heat exchange or heat conduction
    • H01M10/6554—Rods or plates
    • H01M10/6555—Rods or plates arranged between the cells
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/655—Solid structures for heat exchange or heat conduction
    • H01M10/6556—Solid parts with flow channel passages or pipes for heat exchange
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
    • H01M10/6567—Liquids
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M6/00—Primary cells; Manufacture thereof
    • H01M6/50—Methods or arrangements for servicing or maintenance, e.g. for maintaining operating temperature
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M6/00—Primary cells; Manufacture thereof
    • H01M6/50—Methods or arrangements for servicing or maintenance, e.g. for maintaining operating temperature
    • H01M6/5038—Heating or cooling of cells or batteries
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2240/00—Control parameters of input or output; Target parameters
    • B60L2240/40—Drive Train control parameters
    • B60L2240/54—Drive Train control parameters related to batteries
    • B60L2240/545—Temperature
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries

Definitions

  • a secondary battery which can be charged and discharged, has been widely used as an energy source for wireless mobile devices. Also, the secondary battery has attracted (HEV), and plug-in hybrid electric vehicles (Plug-in HEV), which have been developed to solve problems, such as air pollution, caused by existing gasoline and diesel vehicles using fossil fuels.
  • HEV plug-in hybrid electric vehicles
  • FIG. 2 is a perspective view typically showing an illustrative plate-shaped battery cell mounted in a battery module according to the present invention.
  • a plate-shaped battery cell 100 is configured to have a structure in which two electrode leads 110 and 120 protrude from the upper end and the lower end of a battery case 130 in a state in which electrode leads 110 and 120 are opposite to each other.
  • the cooling member 200 is disposed between battery cells.
  • the cooling fin 210 of the cooling member 200 is configured by coupling a pair of metal sheets 211 and 212 by welding 213.
  • the coolant conduit 220 is bent in the shape of ' ' corresponding to the shape of the outer edges of the battery cell contact portions 215 and is fitted in the cooling fin 210. Consequently, it is possible to prevent the coolant conduit 220 from being clogged or damaged due to stacking of the battery cells.
  • the number of coolant inlet ports and coolant outlet ports is reduced as compared with the number of battery cells, thereby improving assembly process efficiency of the cooling member.

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Power Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Secondary Cells (AREA)
  • Battery Mounting, Suspending (AREA)

Claims (14)

  1. Module de batterie (300) comportant une structure dans laquelle deux cellules de batterie ou plus (100) sont agencées dans un sens horizontal (un sens latéral) et une pluralité de cellules de batterie (100) sont agencées dans un sens vertical (un sens d'épaisseur) par rapport aux cellules de batterie (100) agencées dans le sens horizontal,
    dans lequel un organe de refroidissement (200) est disposé entre les cellules de batterie (100) agencées dans le sens vertical pour enlever une chaleur générée par les cellules de batterie (100) au cours de la charge et de la décharge des cellules de batterie (100),
    dans lequel l'organe de refroidissement (200) comprend :
    une ailette de refroidissement en forme de plaque (210) disposée entre les cellules de batterie (100) comportant une structure dans laquelle deux portions de contact de cellules de batterie (215) constituées de manière continue dans le sens horizontal (sens latéral) sont en contact étroit avec des côtés extérieurs desdites cellules de batterie (100) ; et
    un conduit de liquide de refroidissement (220) comportant une structure creuse dans laquelle s'écoule un liquide de refroidissement, le conduit de liquide de refroidissement (220) étant en contact thermique avec l'ailette de refroidissement (210), le conduit de liquide de refroidissement (220) étant situé à un extérieur d'une partie de réception d'ensemble d'électrodes (140) de chacune des cellules de batterie (100) lorsque l'ailette de refroidissement (210) est disposée entre les cellules de batterie (100),
    dans lequel chacune des cellules de batterie est une batterie secondaire en forme de plaque ; et
    caractérisé en ce que
    le conduit de liquide de refroidissement (220) est configuré de sorte qu'au moins une portion du conduit de liquide de refroidissement (220) soit pliée dans la forme d'un « U » ou dans la forme d'un « S » de manière à correspondre à la forme de bords extérieurs des portions de contact de cellules de batterie (215),
    dans lequel l'ailette de refroidissement (210) comporte une structure dans laquelle une paire de feuilles de métal (211, 212) sont couplées l'une à l'autre, et le conduit de liquide de refroidissement (220) est couplé à l'ailette de refroidissement (210) dans un état dans lequel le conduit de liquide de refroidissement est disposé entre les feuilles de métal (211, 212).
  2. Module de batterie (300) selon la revendication 1, dans lequel la batterie secondaire en forme de plaque est une cellule de batterie en forme de poche comportant une structure dans laquelle un ensemble d'électrodes d'une structure de cathode/séparateur/anode est monté dans un boîtier de batterie (130) constitué d'une feuille stratifiée comprenant une couche de résine et une couche de métal.
  3. Module de batterie (300) selon la revendication 1, dans lequel l'ailette de refroidissement (210) est constituée d'une feuille thermiquement conductrice.
  4. Module de batterie (300) selon la revendication 3, dans lequel l'ailette de refroidissement (210) est constituée d'une feuille de métal.
  5. Module de batterie (300) selon la revendication 1, dans lequel le conduit de liquide de refroidissement (220) est constitué d'un matériau anticorrosif.
  6. Module de batterie (300) selon la revendication 1, dans lequel le conduit de liquide de refroidissement est plié pour être disposé en contact étroit avec le bord extérieur de la partie de réception d'ensemble d'électrodes.
  7. Module de batterie (300) selon la revendication 1, dans lequel le conduit de liquide de refroidissement (220) comporte une structure dans laquelle un orifice d'entrée de liquide de refroidissement (230) et un orifice de sortie de liquide de refroidissement (240) du conduit de liquide de refroidissement (220) sont constitués côte à côte à un côté de l'ailette de refroidissement ou à des côtés opposés de l'ailette de refroidissement (210).
  8. Module de batterie (300) selon la revendication 1, dans lequel le conduit de liquide de refroidissement (220) est couplé à l'ailette de refroidissement (210) par brasage.
  9. Module de batterie (300) selon la revendication 1, dans lequel l'ailette de refroidissement (210) est pourvue d'une ou plusieurs portions de couplage évidées (250) qui sont couplées à un boîtier de module de batterie (130) ou à un cadre de montage de cellules de batterie.
  10. Module de batterie (300) selon la revendication 7, dans lequel les portions de couplage évidées (250) sont constituées entre les portions de contact de cellules de batterie.
  11. Module de batterie (300) selon la revendication 1, dans lequel le liquide de refroidissement est de l'eau.
  12. Module de batterie (300) selon la revendication 1, dans lequel les cellules de batterie agencées dans le sens horizontal sont montées dans un organe de cadre, l'organe de refroidissement (200) est pourvu d'une ou plusieurs portions de couplage évidées à coupler à l'organe de cadre, et l'organe de cadre est pourvu d'une ou plusieurs portions de plages faisant saillie correspondant aux portions de couplage évidées.
  13. Module de batterie (300) selon la revendication 12, dans lequel un conduit de liquide de refroidissement comporte une structure dans laquelle un orifice d'entrée de liquide de refroidissement (230) et un orifice de sortie de liquide de refroidissement (240) du conduit de liquide de refroidissement sont constitués à une région correspondant à des bornes d'électrodes de chacune des cellules de batterie.
  14. Module de batterie (300) selon la revendication 12, dans lequel un conduit de liquide de refroidissement comporte une structure dans laquelle un orifice d'entrée de liquide de refroidissement (230) et un orifice de sortie de liquide de refroidissement (240) du conduit de liquide de refroidissement sont constitués à une région opposée à des bornes d'électrodes de chacune des cellules de batterie.
EP11783713.8A 2010-05-18 2011-05-12 Élément de refroidissement présentant une structure innovante, et module de batteries le comprenant Active EP2573861B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020100046201A KR101205181B1 (ko) 2010-05-18 2010-05-18 신규한 구조의 냉각부재와 이를 포함하는 전지모듈
PCT/KR2011/003503 WO2011145831A2 (fr) 2010-05-18 2011-05-12 Élément de refroidissement présentant une structure innovante, et module de batteries le comprenant

Publications (3)

Publication Number Publication Date
EP2573861A2 EP2573861A2 (fr) 2013-03-27
EP2573861A4 EP2573861A4 (fr) 2013-10-30
EP2573861B1 true EP2573861B1 (fr) 2015-06-17

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP11783713.8A Active EP2573861B1 (fr) 2010-05-18 2011-05-12 Élément de refroidissement présentant une structure innovante, et module de batteries le comprenant

Country Status (6)

Country Link
US (1) US9452686B2 (fr)
EP (1) EP2573861B1 (fr)
JP (1) JP5782113B2 (fr)
KR (1) KR101205181B1 (fr)
CN (1) CN102893449B (fr)
WO (1) WO2011145831A2 (fr)

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WO2011145831A2 (fr) 2011-11-24
CN102893449B (zh) 2015-10-07
US20130040175A1 (en) 2013-02-14
JP2013529364A (ja) 2013-07-18
EP2573861A4 (fr) 2013-10-30
WO2011145831A3 (fr) 2012-04-19
CN102893449A (zh) 2013-01-23
JP5782113B2 (ja) 2015-09-24
EP2573861A2 (fr) 2013-03-27
KR101205181B1 (ko) 2012-11-27
KR20110126765A (ko) 2011-11-24
US9452686B2 (en) 2016-09-27

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